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new products
microcontroller lines and added accessories and
options to the development ecosystem, easing access
to high-performance embedded design based on the
ARM®Cortex® -M7 core.
The latest STM32F722 and STM32F723microcontrollers
in the very high-performance STM32F7 series reduce
memory footprint by integrating value-added features
including code-execution protection and high-speed
USB physical-layer (PHY) circuitry that streamline
development of connectedapplications.TheSTM32F732
and STM32F733 variants come with extra cryptographic
features on-chip, such as an efficient AES256 HW
engine. There are versatile package options from a 64-
pin LQFP up to 176-pin LQFP or UFBGA for projects
demanding high I/O count, and 256KB or 512KB of on-
chip Flash memory with 256KB RAM.
Extensive pin, package, and software compatibility
between the new devices and higher-end STM32F7
variants with 256KB to 2MB Flash memory and 256KB
to 512KB RAM in packages up to 216-pin TFBGA
simplifies design scaling for product differentiation and
future-proofing. STM32F7 projects can also be readily
ported throughout the large STM32 microcontroller
family, which contains over 700 devices that cover all 32-
bit Cortex-M cores and offer a wide range of peripheral,
pin-count, and memory options.
ST is also introducing a new Discovery Kit, based on the
STM32F769, with expansion connectors that include an
8-pin socket for Wi-Fi modules. The kit supports Power
over Ethernet (PoE). Other features include a 512-Mbit
Quad-SPI (QSPI) Flash interface and new accessories
that enhance flexibility and extend application reach,
including the B-LCDAD-RPI1 15-pin single row Flexible
Printed Circuit DSI adapter board and B-LCDAD-HDMI1
DSI-to-HDMI adapter, which enhance flexibility to attach
a wide variety of displays. The kit can also be supplied
with the B-LCD40-DSI 4-inch WVGA capacitive-
touchscreen display pre-fitted, or without the display for
extra affordability. The B-LCD40-DSI can be ordered
separately if needed to upgrade the kit at a later date.
The STM32F769 Discovery Kits (starting from $49) with
wireless-ready baseboards are available immediately,
as are the DSI and HDMI display-adapter boards and
the 4-inch WVGA MIPI-DSI touchscreen LCD. The
STM32F722/723 and crypto-enhanced STM32F732/733
microcontroller lines will enter volume production in Q1
2017. Pricing starts from $5.04 (for 10,000 units) for the
STM32F722RET6 in LQFP64.
Toshiba Introduces Single-Chip, Low
Pin-Count MCUs for Control of Multiple Motors
ARM® Cortex®-M devices realize efficient motor control
and improved power factor
Toshiba Electronics Europe has developed a new range
of microcontrollers that allow a single-chip, with a low
pin-count (32 to 64 pins), to control multiple motors.
The MK4 group is the second offering in Toshiba’s
TXZ™ family of high-speed, low power consumption
microcontrollers that incorporate the ARM® Cortex®-M
core.
The new MCUs meet the need to reduce energy and
save space in motor control applications ranging from
home appliances such as washing machines and
refrigerators to power tools, ventilation fans, electric
bicycles and industrial motion control.
Until now, driving two motors typically required an
MCU[1] in a 100-pin type package. Toshiba’s 64-pin TXZ
family products, however, can control two motors thanks
to the ability to detect motor position via an integrated,
high-speedAD converter with a 0.5μs conversion speed.
The new devices are based on the ARM® Cortex®-M4F
operating at up to 80MHz and incorporating a floating
point processing unit. As well as the high-precision ADC,
the devices feature high-speed Flash memory with
80MHz operation, a co-processor for Toshiba’s original
vector engine, and 3-channel op-amps with selectable
gain. Together, they ensure the new products realize
efficient motor control while improving the power factor
and system control.
Devices in the TXZ family support the RAMScope
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